acousterr.com Website Overview & Technology Report
🤖 AI Summary
We performed a comprehensive analysis of acousterr.com on 2026-06-27. The website returned an HTTP 200 status code with a server response time of 29402ms. The page is served over HTTP/2 protocol with Gzip compression enabled, achieving approximately 60.0% size reduction. The total page weight is 40 KB, and the site is served behind a CDN (Content Delivery Network).
Warning: The website does not have a valid SSL certificate. Visitors may see security warnings in their browser, and data transmitted to and from this website is not encrypted.
The security headers analysis reveals a score of 65/100 (moderate). The following security headers are properly configured: Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options, and Referrer-Policy. However, the site is missing Content-Security-Policy and Permissions-Policy, which could expose the site and its users to cross-site scripting (XSS), clickjacking, and other web-based attacks.
Our technology detection scan identified 9 technologies across 8 categories powering acousterr.com. The detected stack includes Angular, Bootstrap 3.3.7, Google Analytics 4, Meta Pixel, PayPal, Cloudflare, StackPath, jQuery 2.2.4., and Font Awesome. The site uses Angular as its primary framework.
Based on our comprehensive analysis of domain age, SSL configuration, email authentication, security headers, and blacklist status, acousterr.com receives an overall trust score of 70/100, classified as "Likely Safe".
HTTP Response
Status200 OK
Response Time29402ms
ProtocolHTTP/2
Page Size40 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Servercloudflare
Total Requests78
3rd Party Domains9
Redirect2 hop(s)
Detected Technologies (9)
🔧 Angular
🎨 Bootstrap
📊 Google Analytics 4
📢 Meta Pixel
💳 PayPal
☁️ Cloudflare
☁️ StackPath
📦 jQuery
🎯 Font Awesome
Security Headers
✗
Content-Security-Policy
Not set
✓
Strict-Transport-Security (HSTS)
Set ✓
✓
X-Content-Type-Options
Set ✓
✗
Permissions-Policy
Not set
SSL Certificate
IssuerLet's Encrypt
Issuer FullcountryName=US, organizationName=Let's Encrypt, commonName=YE1
SubjectcommonName=acousterr.com
Type—
TLS VersionTLS 1.3
Cipher SuiteTLS_AES_256_GCM_SHA384
Algorithm—
Issued—
Expires— (? days)
SANs—
acousterr.com Trust Score & Safety Analysis
🤖 AI Summary
After conducting a thorough safety and legitimacy analysis, acousterr.com receives a trust score of 70/100, which places it in the "Likely Safe" category. This score is calculated by evaluating multiple factors including SSL certificate validity, domain registration history, email authentication protocols, security header configuration, and blacklist status across major threat intelligence databases.
The analysis identified several positive trust signals: a valid HTTPS connection protecting data in transit, HSTS (HTTP Strict Transport Security) enforcement preventing protocol downgrade attacks, and SPF (Sender Policy Framework) email authentication preventing email spoofing.
Areas of concern include: the absence of a Content-Security-Policy header, which leaves the site more vulnerable to cross-site scripting (XSS) attacks, the domain's WHOIS information is hidden behind a privacy service, making it harder to verify the owner's identity, and DNSSEC is not enabled, leaving DNS queries vulnerable to spoofing attacks. While these issues don't necessarily indicate malicious intent, they represent areas where the website's security posture could be improved.
We checked acousterr.com against 8 major blacklist databases including Google Safe Browsing, Phishtank, Urlhaus, Openphish, Dnsfilter, Spamhaus Dbl, Surbl, and Virustotal. The domain passed all 8 checks with a clean status, meaning it has not been flagged for phishing, malware distribution, spam, or other malicious activities by any of the tested threat intelligence providers.
Trust Signals
✅ Valid HTTPS
✅ HSTS enabled
✅ SPF configured
⚠️ DNSSEC not enabled
⚠️ Missing Content-Security-Policy
Blacklist Checks (8/8 clean)
✓
Google Safe Browsing
clean
✓
Phishtank
clean
✓
Urlhaus
clean
✓
Openphish
clean
✓
Dnsfilter
clean
✓
Spamhaus Dbl
clean
✓
Surbl
clean
✓
Virustotal
clean
acousterr.com Technology Stack & Detected Technologies
🤖 AI Summary
Our technology detection engine scanned acousterr.com and identified 9 distinct technologies across 8 categories. This analysis is performed by examining HTTP response headers, HTML source code patterns, JavaScript library fingerprints, CSS framework signatures, and DNS records.
Framework: Angular — provides the application framework and routing for acousterr.com.
CSS Framework: Bootstrap (version 3.3.7) — provides the styling and responsive layout system for acousterr.com.
Analytics: Google Analytics 4 — tracks visitor behavior and provides traffic insights for acousterr.com.
Advertising: Meta Pixel — handles advertising pixel tracking and conversion measurement for acousterr.com.
Payments: PayPal — processes payment transactions for acousterr.com.
CDN: Cloudflare and StackPath — accelerates content delivery by caching assets at edge locations worldwide for acousterr.com.
JavaScript Library: jQuery (version 2.2.4.) — provides utility functions and DOM manipulation for acousterr.com.
Icon Set: Font Awesome — provides additional functionality for acousterr.com.
Framework
CSS Framework
Analytics
📊 Google Analytics 4(95%)
Advertising
Payments
CDN
☁️ Cloudflare(100%)☁️ StackPath(95%)
JavaScript Library
Icon Set
acousterr.com Performance, Speed & Core Web Vitals
🤖 AI Summary
acousterr.com delivers its homepage in 29402ms (server response time), which is considered slow by industry standards. The total page weight is 40 KB, and we detected 78 resource requests loading assets from 9 third-party domains. A high number of third-party domains can significantly impact page load time due to additional DNS lookups and TLS handshakes required for each domain.
The website uses Gzip compression for text-based assets, achieving an estimated 60.0% reduction in transfer size. This reduces bandwidth usage and improves page load times, especially for visitors on slower connections.
Asset minification status: 1 out of 3 CSS files and 10 out of 14 JavaScript files are minified. Minifying the remaining 6 unminified file(s) could further reduce page weight by 10-30% for those assets. Minification is a best practice that reduces download sizes without affecting functionality.
The site is served through a Content Delivery Network (CDN), which caches static assets at edge servers around the world. This means visitors from different geographic regions receive content from the nearest edge server, significantly reducing latency. CDN usage is particularly important for websites with a global audience, as it can reduce page load times by 40-60% for distant visitors.
From an environmental perspective, each page view of acousterr.com produces approximately 0.02g of CO₂, earning a carbon rating of A. This places the website among the cleanest on the web, demonstrating efficient use of server resources and optimized content delivery. For reference, the average web page produces about 0.5g of CO₂ per page view. The page weight of 40 KB is the primary factor in this calculation.
Core Web Vitals data from the Chrome User Experience Report (CrUX) is not available for acousterr.com. This typically means the site doesn't have enough real-world Chrome user traffic to generate statistically significant field data, or the domain is not included in the CrUX dataset. Core Web Vitals (LCP, INP, CLS) are important Google ranking factors that measure real user experience.
Core Web Vitals data not available
Requires CrUX API key configuration
Carbon Footprint
CO₂ per page view0.02g
RatingA
Page Weight & Optimization
HTML Size40 KB
CompressionGzip
Compression Savings~60.0%
CDNYes ✓
Total Requests78
3rd Party Domains9
CSS Minified1/3
JS Minified10/14
acousterr.com DNS Records, Email Authentication & Domain Registration
🤖 AI Summary
acousterr.com resolves to the IPv4 address 104.21.6.81 and also supports IPv6 (2606:4700:3030::6815:651), demonstrating modern network infrastructure readiness. The domain has 2 A record(s) configured.
The domain name system is managed by 2 name servers: cash.ns.cloudflare.com and macy.ns.cloudflare.com. Having 2 name servers provides good redundancy — if one fails, the others can continue serving DNS queries. The choice of name servers often indicates the DNS hosting provider or CDN service being used.
Email for acousterr.com is handled by Google Workspace with 5 MX records configured: aspmx.l.google.com, alt1.aspmx.l.google.com, and alt2.aspmx.l.google.com and 2 more. Multiple MX records provide failover redundancy — if the primary mail server is unavailable, email will be routed to the next available server.
SPF (Sender Policy Framework) is configured, which specifies which mail servers are authorized to send email on behalf of this domain. This helps prevent email spoofing and improves email deliverability. DMARC is not configured, leaving the domain vulnerable to email spoofing and phishing attacks that impersonate this domain. DKIM was not detected. Without DKIM, recipients cannot cryptographically verify that emails claiming to be from this domain are authentic.
DNSSEC is not enabled for acousterr.com. While not critical for most websites, DNSSEC adds an important security layer by ensuring DNS responses haven't been tampered with during transit. Enabling DNSSEC is recommended for domains handling sensitive data or financial transactions.
Our subdomain enumeration scan discovered 3 active subdomains for acousterr.com: ftp.acousterr.com, staging.acousterr.com, and www.acousterr.com. Active subdomains can reveal the organization's infrastructure, including development environments, API endpoints, and third-party service integrations.
DNS Records
A
104.21.6.81
172.67.134.160
NS
cash.ns.cloudflare.com
macy.ns.cloudflare.com
MX
aspmx.l.google.com
alt1.aspmx.l.google.com
alt2.aspmx.l.google.com
aspmx2.googlemail.com
aspmx3.googlemail.com
Email & Authentication
MX ProviderGoogle Workspace
Registrar—
Organisation—
Country—
Contact—
Registered—
Expires—
Domain Age—
IPv6 SupportYes ✓
Subdomains (3 found)
ftp.acousterr.com staging.acousterr.com www.acousterr.com
acousterr.com Page Content, Images & Accessibility
🤖 AI Summary
The homepage of acousterr.com contains 921 words of visible text content. This is a moderate amount of content. The page is structured with 7 H2 headings, 0 H3 headings, 10 H4 headings, 4 H5, and 0 H6 headings.
The page includes 4 images. 2 images (50%) are missing alt text attributes, which is a significant concern for both accessibility and SEO. Screen readers rely on alt text to describe images to visually impaired users, and search engines use alt text to understand image content. Only 50% of images have proper alt text — we recommend adding descriptive alt attributes to all images.
The link structure consists of 45 internal links pointing to other pages on the same domain and 5 external links pointing to third-party websites. There are 14 external JavaScript files, 3 CSS stylesheets, and 0 iframes on the page.
The site implements the following web standards and features: Schema.org structured data (Person, SearchAction, and WebSite).
Notable missing features: XML Sitemap and robots.txt. Adding these could improve search engine discoverability and rich result eligibility.
The website has social media presence across 2 platforms: Facebook (@acousterr) and Twitter (@acousterr). An active social media presence is a positive trust indicator and helps build brand awareness and customer engagement.
Content Structure
H1Practice Tabs With Real Time Feedback
H2 Tags7
H3 Tags0
H4 Tags10
H5 Tags4
H6 Tags0
Internal Links45
External Links5
Assets & Features
JavaScript Files14
JS Minified10/14
CSS Files3
CSS Minified1/3
Iframes0
Images4
Missing Alt2
SitemapNo
Robots.txtNo
PWANo
AMPNo
RSS FeedNo
Schema.org Types
PersonSearchActionWebSite
Social Media Presence
Facebook: @acousterrTwitter: @acousterr
acousterr.com SEO Analysis, Meta Tags & Open Graph
🤖 AI Summary
The title tag for acousterr.com is too long at 103 characters: "Technology For Music Learning | Transcribe Music To Tabs | Practice With Real Ti...". At 103 characters, the title will likely be truncated in Google search results (recommended: 50-60 characters). Consider shortening it while keeping the most important keywords at the beginning.
The meta description is 203 characters (slightly long): "Transcribe any tune into guitar or piano tabs using our deep learning AI, Create & play tabs online in Acousterr Tab Mak...". Google typically displays up to 155-160 characters of the meta description in search results. A compelling meta description with a clear call-to-action can significantly improve click-through rates from search results.
The canonical url is correctly set to https://www.acousterr.com, preventing duplicate content issues, the page language is declared as en, and a favicon is configured.
Open Graph meta tags are configured with 4/4 recommended fields: OG title ("Technology For Music Learning | Transcribe Music To Tabs | P..."), OG description, OG image (social sharing thumbnail), OG type (article). These tags control how the page appears when shared on Facebook, LinkedIn, and other social media platforms that support the Open Graph protocol.
The site implements Schema.org structured data with the following types: Person, SearchAction, and WebSite. Structured data helps search engines understand the page content and can enable rich results (featured snippets, knowledge panels, star ratings) in Google search results, which can significantly increase click-through rates.
The meta keywords tag contains 5 terms including Automatic Music Transcription, Guitar Tabs And Chords, Online Guitar Tab Player, Ear Training, and Guitar Tuner. Note: Google has officially confirmed that it does not use the meta keywords tag as a ranking signal. However, some other search engines (Bing, Yandex) may still reference it.
Google SERP Preview
Technology For Music Learning | Transcribe Music To Tabs | Practice With Real Time Feedback – Acousterr
https://acousterr.com
Transcribe any tune into guitar or piano tabs using our deep learning AI, Create & play tabs online in Acousterr Tab Maker. Tune your instrument & train your ear. Utilize technology to learn music faster
Meta Tags
TitleTechnology For Music Learning | Transcribe Music To Tabs | P...
Title Length103 chars
Meta Desc Length203 chars
H1Practice Tabs With Real Time Feedback
Languageen
Canonicalhttps://www.acousterr.com
Meta Robotsnot set
Meta KeywordsAutomatic Music Transcription, Guitar Tabs And Chords, Onlin...
Schema.org & Social
Schema TypesPerson, SearchAction, WebSite
OG Typearticle
OG ImageSet ✓
Twitter Card—
FaviconSet ✓
Open Graph Preview
acousterr.com
Technology For Music Learning | Transcribe Music To Tabs | Practice With Real Time Feedback – Acousterr
Transcribe any tune into guitar or piano tabs using our deep learning AI, Create & play tabs online in Acousterr Tab Maker. Tune your instrument & train your ea